#2147AD#2147AD

#2147AD is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.7% C 0.169 H 264.7°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#2147AD
RGB	rgb(33, 71, 173)
HSL	hsl(224, 68%, 40%)
HSV	hsv(224, 81%, 68%)
CMYK	cmyk(80.9%, 59%, 0%, 32.2%)
CIE-LAB	lab(33.66, 25.26, -58.21)
CIE-LCH	lch(33.66, 63.45, 293.46°)
OKLab	oklab(43.74% -0.0157 -0.1682)
OKLCH	oklch(43.74% 0.169 264.7)
XYZ	xyz(10.4206, 7.8457, 40.4922)
Luminance	0.0785 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2147AD #AD8721

analogous

#218DAD #2147AD #4121AD

triadic

#2147AD #AD2147 #47AD21

tetradic

#2147AD #AD218D #AD8721 #21AD41

square

#2147AD #AD218D #AD8721 #21AD41

split-complementary

#2147AD #AD4121 #8DAD21

monochromatic

#0D1D46 #17327A #2147AD #3360D8 #6688E2

Accessibility & contrast

On white

8.17

#2147AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#2147AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2147AD

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2147AD	#FFFFFF	#000000	##FFFFFF
##2147AD	1.00	8.17	2.57	8.17
#FFFFFF	8.17	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B0

Deuteranopia (green-blind)

#0049AB

Tritanopia (blue-blind)

#006173

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2147ad;
/* rgb */ color: rgb(33, 71, 173);
/* oklch */ color: oklch(43.7% 0.169 264.7);

Tailwind

colors: {
  custom: {
    50: '#7479c6',
    500: '#2147ad',
    950: '#000000',
  },
}

SCSS

$custom: #2147ad;
$custom-light: #7479c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2147ad",
  "rgb": {
    "r": 33,
    "g": 71,
    "b": 173
  },
  "hsl": {
    "h": 223.714,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.43738,
    "c": 0.16895,
    "h": 264.7
  },
  "luminance": 0.07847
}

Semantic roles & 50–950 ramp

primary

#2147AD

secondary

#C7AC62

accent

#BC3DEB

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2147AD

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →